'Parsing Data from Any Site Part 1 - Sniffer Packets'
In this article, I will talk about the main tool of a web scraping specialist - the http/https packet sniffer. The article will help you prepare for data parsing, you will understand how to see the data between your browser and the web portal. In addition, this data can be controlled, since the sniffer in question is also a proxy server:Change responses from the webserver
This approach helps to find wrongly done protection of web services. If you are a web services developer, this will help you understand your vulnerabilities and fix them.My choice is Fiddler Classic. This program is convenient, free, and has everything I need in terms of functionality. Program platform Windows, Linux, MacOS. Downloading here:The left part of the program screen is a list of intercepted requests.
and pass this test. You may notice that it is impossible to pass this test faster than 40 seconds. On the other hand, having studied the requests intercepted in Fiddler, we find the request sent by the browser at the end of the test. The string sent the time variable with the value 48424, and the test passed in 48 seconds. We conclude that the test execution time in milliseconds is transmitted here.
Having passed this test again, we see that the script worked correctly and we were asked to insert our name into the leaderboard, but we are not in the leaderboard. To find the reason, you need to look into Fiddler again.
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